Update : Since this video was made we have a new "Opt-out" option. You can add this to any button or quick reply and it allows the user to unsubscribe in one click. This is really useful to setup when users are asking to be unsubscribed. It will opt them out from following the bot and from AC messages/purchase messages if clicked. 

Here's a picture of how this option button looks in action :

Next step:
Automatically respond with a friendly message when someone messages "Hi" to your Facebook page

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